From: Nick Piggin Date: Sat, 3 Sep 2005 22:54:50 +0000 (-0700) Subject: [PATCH] mm: remove atomic X-Git-Tag: v2.6.14-rc1~969 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=242e54686257493f0b10ac557e730419d9af7d24;p=linux-2.6-omap-h63xx.git [PATCH] mm: remove atomic This bitop does not need to be atomic because it is performed when there will be no references to the page (ie. the page is being freed). Signed-off-by: Nick Piggin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f5a6695d4d2..99f7cc49506 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -194,6 +194,7 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta); #define SetPageDirty(page) set_bit(PG_dirty, &(page)->flags) #define TestSetPageDirty(page) test_and_set_bit(PG_dirty, &(page)->flags) #define ClearPageDirty(page) clear_bit(PG_dirty, &(page)->flags) +#define __ClearPageDirty(page) __clear_bit(PG_dirty, &(page)->flags) #define TestClearPageDirty(page) test_and_clear_bit(PG_dirty, &(page)->flags) #define SetPageLRU(page) set_bit(PG_lru, &(page)->flags) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8d088371196..620aa11b24e 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -329,7 +329,7 @@ static inline void free_pages_check(const char *function, struct page *page) 1 << PG_writeback ))) bad_page(function, page); if (PageDirty(page)) - ClearPageDirty(page); + __ClearPageDirty(page); } /*